vetteguy75

Like the question says...what does it stand for? I've looked (what I thought) was everywhere....

vetteguy75

SIXFOOTER

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GM LS engine Manufacturer General Motors
Also called GM Vortec engine
Production 1997–present
Predecessor GM LT engine, Chevrolet Small-Block engine, Chevrolet Big-Block engine
The LS series is a new design intended as the only V-8 engine utilized in General Motors' line of RWD cars and trucks. The LS series was a clean sheet design with little in common with the classic Chevrolet small block V8. The LS is all-aluminum and has 6-bolt main bearing caps.

The LS engine has been the sole powerplant of the Chevrolet Corvette since 1997 and has seen use in a wide variety of other General Motors vehicles, ranging from sport coupes to full size trucks. Due to the engine's relatively compact external dimensions compared to its displacement and power output, the engine family is also a popular choice for kit cars, hot rods, buggies, and even light aircraft.

3JsVette

I don't think it stands for anything in particular. I believe it's just an engine option code like any other option code for that matter. LT1, L88, Z/28, F41, G80, are the codes that were listed on the build out sheets. Look at some old window stickers an you will see next to each listed option is a code which is usually a combination of 3 letters and numbers.

PuddleJumper

i think it was an code for the orgianl LS series big blocks like the L88.
but i think the name LSx in the new SBCs is a thing going back to the big blocks i am thinking. something to mark the new generation.

Mad Vette

Ck out ChevyHighPerformance December issue just out they have a whole break down on LS engines from the gen III to the Vortech 5300. If you read that you will be a LS engine expert.

Steve and Sprite

It stands for Luxury Sport

cv67

Maybe thats the designation for their cars/trucks?

71chimera

Lotsa Spunk

Kacyc3

lits not anything new, its just a code for an engine on the ordering sheet. They have been around alot longer than the LSx engine, they are even reusing them. Look up LS6 Chevelle

67:72

I believe the L merely indicates the option group that engines belong to; like M is the transmission group, C is the A/C group, U is the radio/entertainment group, etc. There were L-designations for the engine options long before the LS or LT appeared on the list.

67:72

It looks like the alphabet option structure came about in 1963. Prior to that they were "RPO xxx" with a 3-digit number.

MelWff

Nobody who posted today noticed this is a 11 year old thread?

67:72

well...
nope.

Duane4238

LS....Initials stood for Leslie Snobkowski. She worked at the beginning of the line at the Tonawanda Engine Plant. She lifted the blocks out of the crates and put them on the line. Doesn't that form a scary picture in your mind?
Duane

Tranz Zam

Old thread.

That said, the LS designation was used across multiple GM brands. Pontiacs used them extensively back in the day.

7T1vette

Eleven years.....and we still don't have a decent answer to the original question. Now, I don't KNOW the answer...but since GM designates these as LS series engines, I am absolutely positive that GM knows what the LS stands for.

67:72

I think mine is a half-way decent answer. The L is merely the alphabetical option group. Nothing more or less to it. The real question should be: what does the S or T stand for as in LS-5 or LT-1? AND, why throw a wrench in the scheme with leading Zs for ZL-1 or ZL-2? (you'll note the L-engine group tag remains)

7T1vette

Your "L" is still an assumption on your part. Could be right....could be wrong. Why discuss or argue the hypothetical when the "General" designated it and knows why it was so identified?

L88Plus

Lickety Split